Chapter 22 Export task stuck at 0% about microblog HOT 5 CLOSED

Are you running a RQ worker process? This is a separate process that picks up the tasks that are put in the queue and executes them. Without the worker the task will never progress.

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I forgot I needed to be running the RQ worker process. Thank You. How do I go about setting the Flask-Mail variables in the context of the RQ worker, though? I thought that was all set in my .env file that is loaded from config.py. I am getting an error that states smtplib.SMTPServerDisconnected: Connection unexpectedly closed. I have exported each of the mail settings such as MAIL_SERVER, MAIL_USERNAME, MAIL_PASSWORD, MAIL_PORT and MAIL_USE_TLS.

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The configuration is done in the .env file, as you describe. Have you tested sending emails before? The most likely cause of the error is that your configuration is wrong.

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The reset password emails work perfectly, I just cannot get the export posts email to work and everything points back to the smtp error.

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@miguelgrinberg Thank you for your help with this. I restarted the application and started the worker process and everything is working. I did, however, notice that when a user has no posts and asks for them to be exported, it will send the email with an empty json file(empty as in it has no post data but it does have the structure for it) but the progress bar and job itself gets stuck because of the 100 * i // total_posts calculation will result in division by zero. It works perfectly where there are actual posts, though.

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